<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<style>
  #zxy{color: green}
  .bl{color: blue}
  h1,h2{background-color: yellow}
  input[type="password"]{background-color: red}
  *{border: 1px red solid }
</style>
<body>
<ul>
  <li id="zxy">张学友</li>
  <li class="bl">刘德华</li>
  <li>郭富城</li>
</ul>
<h1 class="bl">悟空</h1>
<h1>八戒</h1>
<h1>沙僧</h1>
<h2>刘备</h2>
<input type="text">
<input type="password">


</body>
</html>